--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommscontroller/mmccinterface/src/mmcccodecg711.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,364 @@
+/*
+* Copyright (c) 2004-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:    MCC G.711 CodecInformation
+*
+*/
+
+
+
+
+// INCLUDE FILES
+#include "mmcccodecg711.h"
+#include "mccuids.hrh"
+#include "mmccinterfacelogs.h"
+
+// CONSTANTS
+
+const TUint8 KG711KAPayloadSize = 160;
+const TUint8 KG711KeepAlivePayload[KG711KAPayloadSize] = 
+    { 
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+    };
+
+const TInt KG711SampleRate = 8000;
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::CMCCCodecG711
+// default constructor
+// -----------------------------------------------------------------------------
+//
+CMCCCodecG711::CMCCCodecG711() : CMccCodecInformation()
+    {   
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CMCCCodecG711::ConstructL()
+    {
+    __INTERFACE( "CMCCCodecG711::ConstructL" )
+    
+    iKeepAliveData.Copy( KG711KeepAlivePayload,  KMaxKeepAliveDataLen);    
+    SetSamplingFreq( KG711SampleRate );
+    SetBitrate( KG711Bitrate64 );
+    EnableVAD( EFalse );
+    iHwFrameTime = KG711DefaultHwFrameTime; // default 20ms
+    SetMaxPTime( KMaxPtime );
+    SetPTime( KDefaultPtime );
+    SetPayloadType( KPcmuPayloadType );
+    SetSdpName( KPCMUSdpName );
+    SetCodecMode( EPCMU );
+    
+    iFourCC = KMccFourCCIdG711;
+    iPayloadFormatEncoder = KImplUidG711PayloadFormatEncode;
+    iPayloadFormatDecoder = KImplUidG711PayloadFormatDecode;
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::NewL
+// Static constructor.
+// -----------------------------------------------------------------------------
+//
+CMCCCodecG711* CMCCCodecG711::NewL()
+    {
+    CMCCCodecG711* self = new (ELeave) CMCCCodecG711;
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self ); 
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::~CMCCCodecG711
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CMCCCodecG711::~CMCCCodecG711()
+    {
+    __INTERFACE( "CMCCCodecG711::~CMCCCodecG711" )
+    }
+    
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::EnableVAD
+// Enable / Disable VAD
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG711::EnableVAD( TBool aEnableVAD )
+    {
+    iEnableVAD = aEnableVAD;
+    return KErrNone;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::SetBitrate
+// Set Bitrate
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG711::SetBitrate( TUint aBitrate )
+    {
+    if ( KG711Bitrate64 != aBitrate )
+        {
+        return KErrNotSupported;
+        }
+    else
+        {
+        iBitrate = aBitrate;
+        return KErrNone;
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::SetSamplingFreq
+// Set Sampling Frequency
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG711::SetSamplingFreq( TUint32 aSamplingFreq )
+    {
+    if ( KG711SampleRate == aSamplingFreq )
+        {
+        iSamplingFreq = aSamplingFreq;
+        return KErrNone;
+        }
+    else
+        {
+        return KErrNotSupported;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::SetSdpName
+// Set SDP Name
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG711::SetSdpName( const TDesC8& aSdpName )
+    {
+    if ( !aSdpName.CompareF( KPCMUSdpName ) )
+        {
+        iSdpName.Copy( aSdpName );
+        SetCodecMode( EPCMU );
+        }
+    else if ( !aSdpName.CompareF( KPCMASdpName ) )
+        {
+        iSdpName.Copy( aSdpName );
+        SetCodecMode( EPCMA );
+        }
+    else 
+        {
+        return KErrNotSupported;        
+        }
+        
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::SetPayloadType
+// Set PayloadType
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG711::SetPayloadType( TUint8 aType )
+    {
+    if ( KPcmuPayloadType != aType && KPcmaPayloadType != aType ) 
+        {
+        return KErrNotSupported;
+        }
+    else 
+        {
+        iPayloadType = aType;
+        }
+    
+    return KErrNone;
+    }
+ 
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::SetPTime
+// Set PTime
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG711::SetPTime( TUint aPTime )
+    {
+    if ( aPTime && ( KMinPtime <= aPTime ) && ( aPTime <= iMaxPTime ) && 
+        ( KMaxPtime >= aPTime ) && (( aPTime % KMinPtime ) == 0 ))
+        {
+        iPTime = aPTime;
+        return KErrNone;    
+        }
+    else
+        {
+        return KErrArgument;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::SetMaxPTime
+// Set Max PTime
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG711::SetMaxPTime( TUint aMaxPTime )
+    {
+    if ( aMaxPTime && ( iPTime <= aMaxPTime ) && ( KMinPtime <= aMaxPTime ) &&
+        ( KMaxPtime >= aMaxPTime ) && (( aMaxPTime % KMinPtime ) == 0 ))
+        {
+        iMaxPTime = aMaxPTime;
+        return KErrNone;    
+        }
+    else
+        {
+        return KErrArgument;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::SetCodecMode
+// Set Codec Mode
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG711::SetCodecMode( TCodecMode aCodecMode )
+    {
+    if ( EPCMU == aCodecMode )
+        {
+        iCodecMode = aCodecMode;
+        iSdpName.Copy( KPCMUSdpName );
+        SetPayloadType( KG711PayloadTypePCMU );
+        return KErrNone;
+        }
+    else if ( EPCMA == aCodecMode )
+        {
+        iCodecMode = aCodecMode;
+        iSdpName.Copy( KPCMASdpName );            
+        SetPayloadType( KG711PayloadTypePCMA );  
+        return KErrNone;
+        }
+    else
+        {
+        return KErrNotSupported;
+        }
+    }
+    
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::CloneDefaultsL
+// Make a default setting clone from this G.711 codec
+// -----------------------------------------------------------------------------
+//
+CMccCodecInformation* CMCCCodecG711::CloneDefaultsL()
+    {
+    CMccCodecInformation* codec = CMCCCodecG711::NewL();
+    CleanupStack::PushL( codec );
+    
+    if ( 0 == this->SdpName().CompareF( KPCMASdpName ) )
+        {
+        User::LeaveIfError( codec->SetCodecMode( EPCMA ) );
+        }
+    else
+        {
+        User::LeaveIfError( codec->SetCodecMode( EPCMU ) );
+        }
+    
+    CleanupStack::Pop( codec );
+    return codec;
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::CloneDetailedL
+// Make a detailed clone from this G.711 codec
+// -----------------------------------------------------------------------------
+//
+CMccCodecInformation* CMCCCodecG711::CloneDetailedL()
+    {
+    CMCCCodecG711* newCodec = CMCCCodecG711::NewL();
+    CleanupStack::PushL( newCodec );    
+    newCodec->SetBitrate( this->Bitrate() );
+    newCodec->SetCodecMode( this->CodecMode() );
+    newCodec->SetMaxPTime( this->MaxPTime() );
+    newCodec->SetPayloadType( this->PayloadType() );
+    newCodec->SetPTime( this->PTime() );
+    newCodec->SetSamplingFreq( this->SamplingFreq() );
+    newCodec->SetSdpName( this->SdpName() );
+    CleanupStack::Pop( newCodec );    
+    return newCodec;
+    }
+    
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::RequireSignalling
+// -----------------------------------------------------------------------------
+//
+TBool CMCCCodecG711::RequireSignalling(
+    const CMccCodecInformation& aCandidate ) const      
+    {
+    __INTERFACE( "CMCCCodecG711::RequireSignalling" )
+    TBool ret = EFalse;
+              
+    if ( iPTime != aCandidate.PTime() )
+        {
+        __INTERFACE( "CMCCCodecG711::RequireSignalling, PTime changed" )
+        ret = ETrue;
+        }
+        
+    if ( iMaxPTime != aCandidate.MaxPTime() )
+        {
+        __INTERFACE( "CMCCCodecG711::RequireSignalling, MaxPTime changed" )
+        ret = ETrue;
+        }
+        
+    if ( iPayloadType != aCandidate.PayloadType() )
+        {
+        __INTERFACE( "CMCCCodecG711::RequireSignalling, PayloadType changed" )
+        ret = ETrue;
+        }
+        
+    __INTERFACE_INT1( "CMCCCodecG711::RequireSignalling, exit with", ret )
+    return ret;          
+    }
+        
+// -----------------------------------------------------------------------------
+// CMCPG711Codec::SetComfortNoiseGeneration
+// -----------------------------------------------------------------------------
+// 
+TInt CMCCCodecG711::SetComfortNoiseGeneration( TUint8 aComfortNoisePT )
+    {
+    iComfortNoiseGenerationPt = aComfortNoisePT;
+    return KErrNone;
+    }
+    
+// -----------------------------------------------------------------------------
+// CMCCCodecG711::SetAllowedBitrates
+// -----------------------------------------------------------------------------
+// 
+TInt CMCCCodecG711::SetAllowedBitrates( TUint /*aBitrateMask*/ )
+    {
+    return KErrNone;           
+    }
+        
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+//  End of File